For Many Malagasy Vanilla Workers, the Use of Vanilla in the Global

For many Malagasy vanilla workers, the use of vanilla in the Global North is:

A) Known due to the bakeries of French colonialism.
B) Presumed to be part of the perfume industry.
C) Well known through oral history, since the trade is so old.
D) A puzzling mystery, since luxury use seems to be an insufficient answer.